Perth weather in October
October in Perth: nice, a little rain, with clean air — an excellent time to visit.
#3 of 12 months in Perth · #29 of 604 destinations to visit in October · comfort 92/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Perth climate normals — October
| Daytime high | 22°C / 72°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 55°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 38 mm / 1.5 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 61% | 💧 humid |
| Dew point | 9°C / 48°F | |
| Sunshine | 11.5 h/day | |
| Daylight | 12.9 h | |
| Wind | 26 km/h / 16 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Perth in October — FAQ
- Is October a good time to visit Perth?
- October in Perth: nice, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Perth on SeasonMap's comfort score (92/100).
- What is the weather like in Perth in October?
- In October, Perth averages a daily high of 22.4°C and a low of 12.6°C, with about 37.6 mm of rain over roughly 5.6 rainy days.
- What is the air quality in Perth in October?
- Perth has a mean US Air Quality Index of about 33 in October.